O'Farrell unveils NSW transport master plan

The New South Wales Government has released its transport master plan for the state, proposing four new motorways and another crossing of Sydney Harbour.

The 20 year plan is meant to be future-proof, but there are concerns there is not enough detail on costs and timeframes.

Premier Barry O'Farrell has insisted the plan is different to those before it.

"This stands in stark contrast with our predecessors. It's what we promised we'd do: put in place plans for the future, plans that address the public transport, the roads, the freight, the cycling, the walking of all citizens of this state," he said.

But Opposition leader John Robertson says the plan has no start dates and many of its headline projects are not costed.

"Barry O'Farrell has just let people down by drawing lines on a map with no detail," he said.

That sentiment has been echoed by others, including the NRMA's Peter Khoury.

"How much longer do we have to wait until we see those shovels in the dirt?" he said.